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STUDY OF INHERITANCE OF FUSARIUM WILT RESISTANCE THROUGH MOLECULAR MARKER ANALYSIS IN PIGEONPEA [CAJANUS CAJAN (L.) MILLSP]

B. Krishna Chaithanya, L. Prasanthi, K. Hariprasad Reddy, B.V. Bhaskara Reddy

Affiliations

¹Department of Genetics and Plant Breeding S.V. Agricultural College, Tirupati - 517 502, India.

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Cite article:- Chaithanya Krishna B., Prasanthi L., Reddy Hariprasad K., Reddy Bhaskara B.V. (2025). STUDY OF INHERITANCE OF FUSARIUM WILT RESISTANCE THROUGH MOLECULAR MARKER ANALYSIS IN PIGEONPEA [CAJANUS CAJAN (L.) MILLSP]. Legume Research. 34(3): 212 - 216. doi: .

ABSTRACT

The inheritance studies in F2 progenies of two crosses of pigeonpea LRG-41 X ICPL-8863 and TRG-22 X ICPL-87119 for Fusarium wilt resistance by using SCAR14f/r marker revealed that the inheritance was governed by a single dominant gene. All the resistant plants showed the amplification 937bp band and absent in susceptible plants which segregates in the ratio of 3 resistant : 1 susceptible and thus confirming that the disease was controlled by a single dominant gene. These marker studies for two crosses indicated that the same gene in both resistant parents, ICPL-87119 and ICPL-8863 governs the resistance. Quick assessment of susceptibility or resistance to wilt at early crop stage will be possible with this SCAR14f/r marker, and it will eliminate the need for maintaining virulent isolates of the wilt pathogen and development of sick plots for artificial screening techniques.

KEYWORDS

REFERENCES

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